Hyundai Genesis: Engine Control System / Variable Intake Solenoid (VIS) Valve Repair procedures
| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect the VIS valve connector. |
| 3. |
Measure resistance between the VIS valve terminals 1 and 2. |
| 4. |
Check that the resistance is within the specification.
Specification: Refer to “Specification”
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| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the variable intake solenoid valve connector (A). |
| 3. |
Disconnect the vacuum hoses (B) from the valve. |
| 4. |
Remove the installation nut (C) and then remove the valve from the surge tank. 
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| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the variable intake solenoid valve connector (A). |
| 3. |
Disconnect the vacuum hoses (B) from the valve. |
| 4. |
Remove the installation nut (C) and then remove the valve from the surge tank. 
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| • |
Install the component with the specified torques. |
| • |
Note that internal damage may occur if the component drops. In this case, inspect it before installation. |
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| • |
Be careful of foreign materials not to flow into the valve.
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| 1. |
To install, reverse the removal procedure.
Variable intake solenoid valve installation nut:
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)
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Description
Fuel Pressure Regulator Valve is installed on the high
pressure fuel pump and controls the fuel amount flowing into the
injectors in accordance with the ECM signal calculated based ...
Other information:
Component Location
1. Glove box
...
Replacement
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Put on gloves to prevent hand injuries.
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When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
•
Take care not to scratch the body surface.
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Variable Intake Solenoid (VIS) Valve Schematic Diagrams
Fuel Pressure Control Valve Description and Operation